description: This identifier profile defines a Medicare card number in an Australian context. A Medicare card is provided to individuals who are enrolled in [Medicare](https://www.servicesaustralia.gov.au/individuals/medicare). This definition supports sending either the 10 digit Medicare card number or the 11 digit number (includes the individual reference number (IRN)). package_name: hl7.fhir.au.base derivation: constraint name: AUMedicareCardNumber type: Identifier elements: type: pattern: type: CodeableConcept value: coding: - {code: MC, system: 'http://terminology.hl7.org/CodeSystem/v2-0203'} index: 0 system: pattern: {type: Uri, value: 'http://ns.electronichealth.net.au/id/medicare-number'} index: 1 value: {short: Medicare card number, maxLength: 11, index: 2} period: index: 3 elements: end: {short: Medicare card expiry date, index: 4} package_version: 4.2.1-preview class: complex-type kind: complex-type url: http://hl7.org.au/fhir/StructureDefinition/au-medicarecardnumber base: http://hl7.org/fhir/StructureDefinition/Identifier version: 4.2.1-preview required: [value, type, system]